Home / 9,078,538.06-12,528,005.54-4,948,478.31

Finding the Fourth Proportional to 9,078,538.06, 12,528,005.54 and 4,948,478.31

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Solution

The fourth proportional to 9,078,538.06, 12,528,005.54 and 4,948,478.31 is: 6,828,694.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,078,538.06 : 12,528,005.54 = 4,948,478.31 : x
  2. Step 2: Convert to fraction form
    9,078,538.06/12,528,005.54 = 4,948,478.31/x
  3. Step 3: Cross multiply
    9,078,538.06x = 12,528,005.54 × 4,948,478.31
  4. Step 4: Simplify right side
    9,078,538.06x = 61,994,563,657,507.45
  5. Step 5: Solve for x
    x = 61,994,563,657,507.45/9,078,538.06
  6. Step 6: Final answer
    x = 6,828,694.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.